Arkansas Lake is a highly nutrient-loaded hypereutrophic lake in Prowers County, Colorado. Water quality is graded F based on 1 sampling years through 2024. Compared to the 1 other monitored lakes in Prowers County, Arkansas Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Colorado DNR, last sampled 2024-05-20. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
No clarity data. Phosphorus level: 162.4 µg/L. Trophic State Index: 78.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 162.4 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 78 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
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Fishing Arkansas Lake
Location
County Ranking
Ranked #2 of 2 lakes in Prowers County
Nearby Lakes in Prowers County
Explore Arkansas Lake across LakeGrade
More Colorado Lake Rankings
Other Grade F Lakes in Colorado
Hypereutrophic Lakes in Colorado
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-05-20
Monitoring stations: 2